Finding the Fourth Proportional to 1,488.24, 2,054.16 and 1,194.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.24 : 2,054.16 = 1,194.48 : x
2. Step 2: Convert to fraction form
   1,488.24/2,054.16 = 1,194.48/x
3. Step 3: Cross multiply
   1,488.24x = 2,054.16 × 1,194.48
4. Step 4: Simplify right side
   1,488.24x = 2,453,653.04
5. Step 5: Solve for x
   x = 2,453,653.04/1,488.24
6. Step 6: Final answer
   x = 1,648.69